package com.leyou.item.web;


import com.leyou.common.dto.PageDTO;
import com.leyou.item.service.SkuService;
import com.leyou.item.service.SpuDetailService;
import com.leyou.item.service.SpuService;
import com.leyou.user.dto.SkuDTO;
import com.leyou.user.dto.SpecParamDTO;
import com.leyou.user.dto.SpuDTO;
import com.leyou.user.dto.SpuDetailDTO;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Map;

@RestController
@RequestMapping("goods")
public class GoodsController {

    private final SpuService spuService;

    private final SpuDetailService detailService;

    private final SkuService skuService;

    public GoodsController(SpuService SpuService, SpuDetailService detailService, SkuService skuService) {
        this.spuService = SpuService;
        this.detailService = detailService;
        this.skuService = skuService;
    }

    /**
     * 分页查询spu
     *
     * @param page     当前页
     * @param rows     每页大小
     * @param saleable 上架商品或下降商品
     * @param brandId 品牌id
     * @param categoryId 分类id
     * @param id  spu的id
     * @return 当前页商品数据
     */
    @GetMapping("/spu/page")
    public ResponseEntity<PageDTO<SpuDTO>> querySpuByPage(
            @RequestParam(value = "page", defaultValue = "1") Integer page,
            @RequestParam(value = "rows", defaultValue = "5") Integer rows,
            @RequestParam(value = "saleable", required = false) Boolean saleable,
            @RequestParam(value = "categoryId", required = false) Long categoryId,
            @RequestParam(value = "brandId", required = false) Long brandId,
            @RequestParam(value = "id", required = false) Long id) {
        return ResponseEntity.ok(spuService.querySpuByPage(page, rows, saleable, categoryId, brandId, id));
    }

    /**
     * 新增商品
     * @param spuDTO 页面提交商品信息
     * @return 无
     */
    @PostMapping("spu")
    public ResponseEntity<Void> saveGoods(@RequestBody SpuDTO spuDTO) {
        spuService.saveGoods(spuDTO);
        return ResponseEntity.status(HttpStatus.NO_CONTENT).build();
    }

    /**
     * 修改商品上下架
     * @param id 商品spu的id
     * @param saleable true：上架；false：下架
     * @return 无
     */
    @PutMapping("saleable")
    public ResponseEntity<Void> updateSpuSaleable(
            @RequestParam("id") Long id,
            @RequestParam("saleable") Boolean saleable) {
        spuService.updateSaleable(id, saleable);
        return ResponseEntity.status(HttpStatus.NO_CONTENT).build();
    }

    /**
     * 根据id查询商品
     * @param id 商品id
     * @return 商品信息
     */
    @GetMapping("/{id}")
    public ResponseEntity<SpuDTO> queryGoodsById(@PathVariable("id") Long id){
        return ResponseEntity.ok(spuService.queryGoodsById(id));
    }

    /**
     * 更新商品
     * @param spuDTO 页面提交商品信息
     * @return 无
     */
    @PutMapping
    public ResponseEntity<Void> updateGoods(@RequestBody SpuDTO spuDTO) {
        spuService.updateGoods(spuDTO);
        return ResponseEntity.status(HttpStatus.NO_CONTENT).build();
    }

    /**
     * 根据id查询detail
     * @param id 商品id
     * @return 商品的Detail
     */
    @GetMapping("/spu/detail")
    public ResponseEntity<SpuDetailDTO> querySpuDetailById(@RequestParam("id") Long id){
        return ResponseEntity.ok(new SpuDetailDTO(detailService.getById(id)));
    }

    /**
     * 根据spuID查询sku
     * @param id spuID
     * @return sku的集合
     */
    @GetMapping("/sku/of/spu")
    public ResponseEntity<List<SkuDTO>> querySkuBySpuId(@RequestParam("id") Long id){
        return ResponseEntity.ok(
                SkuDTO.convertEntityList(
                        skuService.query().eq("spu_id", id).list()
                )
        );
    }

    /**
     * 根据id批量查询sku
     * @param ids id的集合
     * @return sku的集合
     */
    @GetMapping("/sku/list")
    public ResponseEntity<List<SkuDTO>> querySkuBySpuId(@RequestParam("ids") List<Long> ids){
        return ResponseEntity.ok(
                SkuDTO.convertEntityList(skuService.listByIds(ids))
        );
    }

    /**
     * 根据spuId查询spu的所有规格参数值
     * @param id spu的id
     * @return 规格参数值
     */
    @GetMapping("/spec/value")
    public ResponseEntity<List<SpecParamDTO>> querySpecsValues(
            @RequestParam("id") Long id, @RequestParam(value = "searching", required = false) Boolean searching){
        return ResponseEntity.ok(detailService.querySpecValues(id, searching));
    }

    /**
     * 根据id查询商品
     * @param id 商品id
     * @return 商品信息
     */
    @GetMapping("/spu/{id}")
    public ResponseEntity<SpuDTO> querySpuById(@PathVariable("id") Long id){
        return ResponseEntity.ok(new SpuDTO(spuService.getById(id)));
    }
}





















